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+++ b/Symbian3/SDK/Source/GUID-B57ECD51-85EF-50EA-B3EE-62A85CD9C382.dita	Thu Jan 21 18:18:20 2010 +0000
@@ -0,0 +1,68 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright (c) 2007-2010 Nokia Corporation and/or its subsidiary(-ies) All rights reserved. -->
+<!-- This component and the accompanying materials are made available under the terms of the License 
+"Eclipse Public License v1.0" which accompanies this distribution, 
+and is available at the URL "http://www.eclipse.org/legal/epl-v10.html". -->
+<!-- Initial Contributors:
+    Nokia Corporation - initial contribution.
+Contributors: 
+-->
+<!DOCTYPE concept
+  PUBLIC "-//OASIS//DTD DITA Concept//EN" "concept.dtd">
+<concept id="GUID-B57ECD51-85EF-50EA-B3EE-62A85CD9C382" xml:lang="en"><title>How
+to use a notifier to display a simple dialog, asynchronously</title><shortdesc>Provides code snippets to show you how to use a notifier to display
+a simple dialog asynchronously.</shortdesc><prolog><metadata><keywords/></metadata></prolog><conbody>
+<p>To display a simple dialog box:</p>
+<ul>
+<li id="GUID-9BB8982B-727E-57FB-951F-EEA8CA49D203"><p>construct an <codeph>RNotifier</codeph> object
+and then call its <codeph>Connect()</codeph> member function to create a session
+with the Notifier server.</p> </li>
+<li id="GUID-F6523ED3-4816-538B-86BB-576A05E47197"><p>call the <codeph>Notify()</codeph> member
+function of the <codeph>RNotifier</codeph>, passing descriptors containing
+the two lines of text to be displayed and the characters for the buttons. <codeph>Notify()</codeph> makes
+an asynchronous request to the notifier server.</p> </li>
+</ul>
+<p>When the user keys in one of the button characters, the requesting thread's <keyword>request
+semaphore</keyword> is signalled to indicate that the notifier request is
+complete. The <codeph>TRequestStatus</codeph> object supplied by the requesting
+thread is set to <codeph>KErrNone</codeph>.</p>
+<p>In addition, a <codeph>TInt</codeph>, passed by reference to <codeph>Notify()</codeph>,
+is set to 0 or 1 depending on whether the first or the second button is selected.</p>
+<p>The session is closed by calling the <codeph>Close()</codeph> member function
+of the <codeph>RNotifier</codeph>.</p>
+<p>The following code fragments demonstrate this:</p>
+<codeblock id="GUID-8FDAA342-A5C9-5D27-B3DE-8F62124BADA4" xml:space="preserve">{
+_LIT(KTxtLine1,"First line");
+_LIT(KTxtLine2,"Second line");
+_LIT(KButt1,"a");
+_LIT(KButt2,"b");
+...
+TInt           whichbutton(-1);
+TRequestStatus stat;
+...
+RNotifier      notifier;
+...
+notifier.Connect();
+...
+notifier.Notify(KTxtLine1,KTxtLine2,KButt1,KButt2,whichbutton,stat);
+...
+// other code
+...
+User::WaitForRequest(stat);
+...
+if (whichbutton==0)
+    {
+    // first button selected
+    }
+if (whichbutton==1)
+    {
+    // Second button selected
+    }
+...
+notifier.Close();
+...
+}</codeblock>
+<p>Note that the descriptor parameters passed to <codeph>Notify()</codeph> must
+remain in existence until the notify request completes; this may be some time
+after the call to <codeph>Notify()</codeph> itself.</p>
+</conbody></concept>
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